Alert archive / Nebraska / Severe Thunderstorm Warnings in 2014
Severe Thunderstorm Warning 13, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at May 18, 2014, 6:54 PM MDT for Cheyenne County, Kimball County, Morrill County, Nebraska. It was in force for 66 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- May 18, 2014, 6:54 PM MDT (00:54 UTC)
- Expired
- May 18, 2014, 8:00 PM MDT
- In force
- 66 min
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Cheyenne County, NE, Kimball County, NE, Morrill County, NE
The radar
The Cheyenne radar (KCYS), 133 km from the middle of the area, began a volume at 00:52 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 0.9 hours before the alert went out and 161 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 7 J/kg
- Mixed-layer CIN
- -14 J/kg
- Mixed-layer LCL
- 4305 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 31 m²/s²
- 0-3 km storm-relative helicity
- 66 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
859 WUUS55 KCYS 190054 SVRCYS NEC033-105-123-190200- /O.NEW.KCYS.SV.W.0013.140519T0054Z-140519T0200Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE CHEYENNE WY 654 PM MDT SUN MAY 18 2014 THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... CHEYENNE COUNTY IN THE PANHANDLE OF NEBRASKA... EAST CENTRAL KIMBALL COUNTY IN THE PANHANDLE OF NEBRASKA... SOUTH CENTRAL MORRILL COUNTY IN THE PANHANDLE OF NEBRASKA... * UNTIL 800 PM MDT * AT 652 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES SOUTH OF DIX...AND MOVING NORTHEAST AT 30 MPH. HAZARD...60 MPH WIND GUSTS. AT 635 PM MDT...A 66 MPH WIND GUST WAS REPORTED AT THE KIMBALL AIRPORT. SOURCE...RADAR INDICATED. IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. * THE SEVERE THUNDERSTORM WILL BE NEAR... POTTER AROUND 710 PM MDT. GURLEY AROUND 750 PM MDT. DALTON AROUND 800 PM MDT. THIS INCLUDES INTERSTATE 80 IN NEBRASKA BETWEEN MILEPOSTS 29 AND 54. PRECAUTIONARY/PREPAREDNESS ACTIONS... FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A BUILDING. && LAT...LON 4161 10315 4120 10277 4103 10348 4115 10359 TIME...MOT...LOC 0054Z 236DEG 24KT 4114 10341 HAIL...<.75IN WIND...60MPH $$ RUBIN
2 follow-up statements
162 WWUS55 KCYS 190113 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 713 PM MDT SUN MAY 18 2014 NEC105-190123- /O.CAN.KCYS.SV.W.0013.000000T0000Z-140519T0200Z/ KIMBALL NE- 713 PM MDT SUN MAY 18 2014 ...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL KIMBALL COUNTY IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. LAT...LON 4113 10309 4127 10325 4161 10315 4120 10277 TIME...MOT...LOC 0113Z 236DEG 24KT 4128 10312 $$ NEC033-123-190200- /O.CON.KCYS.SV.W.0013.000000T0000Z-140519T0200Z/ CHEYENNE NE-MORRILL NE- 713 PM MDT SUN MAY 18 2014 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT FOR SOUTH CENTRAL MORRILL AND NORTHERN CHEYENNE COUNTIES UNTIL 800 PM MDT... AT 709 PM MDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTHWEST OF BROWNSON...AND MOVING NORTHEAST AT 30 MPH. HAZARD...60 MPH WIND GUSTS. AT 635 PM MDT...A 66 MPH WIND GUST WAS REPORTED AT THE KIMBALL NEBRASKA AIRPORT. SOURCE...RADAR INDICATED. IMPACT...EXPECT DAMAGE TO ROOFS...SIDING AND TREES. THE SEVERE THUNDERSTORM WILL BE NEAR... GURLEY AROUND 730 PM MDT. DALTON AROUND 735 PM MDT. THIS INCLUDES INTERSTATE 80 IN NEBRASKA BETWEEN MILEPOSTS 47 AND 54. PRECAUTIONARY/PREPAREDNESS ACTIONS... TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY. THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN CHEYENNE. && LAT...LON 4113 10309 4127 10325 4161 10315 4120 10277 TIME...MOT...LOC 0113Z 236DEG 24KT 4128 10312 HAIL...<.75IN WIND...60MPH $$ RUBIN
938 WWUS55 KCYS 190132 SVSCYS SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 732 PM MDT SUN MAY 18 2014 NEC033-123-190142- /O.CAN.KCYS.SV.W.0013.000000T0000Z-140519T0200Z/ CHEYENNE NE-MORRILL NE- 732 PM MDT SUN MAY 18 2014 ...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL MORRILL AND NORTHERN CHEYENNE COUNTIES IS CANCELLED... THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA. HOWEVER...GUSTY WINDS ARE STILL POSSIBLE WITH THIS THUNDERSTORM. LAT...LON 4113 10309 4127 10325 4161 10315 4120 10277 TIME...MOT...LOC 0132Z 236DEG 24KT 4135 10298 $$ RUBIN
The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 18, 6:35 PM MDT | Tornado Warning | CYS | Box Butte, Sioux | 40 min |
| May 18, 6:38 PM MDT | Special Weather Statement | CYS | Kimball | 67 min |
| May 18, 6:44 PM MDT | Special Weather Statement | CYS | Morrill | 46 min |
| May 18, 7:08 PM MDT | Tornado Warning | CYS | Box Butte | 52 min |
| May 18, 7:40 PM MDT | Severe Thunderstorm Warning | CYS | Box Butte | 35 min |
| May 18, 10:01 PM MDT | Special Weather Statement | CYS | Box Butte | 44 min |
| May 19, 3:16 PM MDT | Special Weather Statement | CYS | Sioux | 44 min |
| May 19, 5:16 PM MDT | Special Weather Statement | CYS | Scotts Bluff | 44 min |
| May 19, 5:51 PM MDT | Special Weather Statement | CYS | Banner | 39 min |
Nearby
Severe Thunderstorm Warnings in Nebraska, 2014Every severe thunderstorm warning in 2014
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.